Jordan Phelps and Caroline Strang’s new paper has just been published in which they show that bumblebees exposed to field realistic levels of the neonicotinoid pesticide imidacloprid are slower to learn a task that simulates flower handling.
Phelps, J. D., Strang, C. G., & Sherry, D. F. (2020). Imidacloprid impairs performance on a model flower handling task in bumblebees (Bombus impatiens). Ecotoxicology, 29, 359-374. doi:10.1007/s10646-020-02182-8